For citations:

Polyanin A.D., Shingareva I.K. The Qualitative Features of the Numerical Integration Problems with a Boundary Layer by Nonlocal Transformations. Vestnik natsional'nogo issledovatel'skogo yadernogo universiteta "MIFI". 2019;8(6):515-532. (In Russ.) https://doi.org/10.1134/S2304487X19060099